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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9661) Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw
Date Wed, 20 Jan 2016 06:10:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15108071#comment-15108071
] 

Vinayakumar B commented on HDFS-9661:
-------------------------------------

[~aderen], Can you update the patch with checkstyle fixes.

> Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw
> -------------------------------------------------------------------------
>
>                 Key: HDFS-9661
>                 URL: https://issues.apache.org/jira/browse/HDFS-9661
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.7.0, 2.8.0, 2.7.1, 2.7.2
>            Reporter: ade
>            Assignee: Vinayakumar B
>             Fix For: 2.7.2
>
>         Attachments: HDFS-9661.0.patch, hdfs-9661-jstack.jpg.png
>
>
> We found a deadlock in dn.FsDatasetImpl between moveBlockAcrossStorage and createRbw
from rpc call: replaceBlock/writeBlock. The dn's jstack result is
> !hdfs-9661-jstack.jpg.png!



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